Frequency (Hz) Assumed Protection 63 9.0 125 9.5 250 9.5 500 15.9 1000 26.0 2000 26.5 4000 33.1 8000 25.0 Standard Ear Defender H=28 M=19 L=13 SNR=23
Frequency (Hz) Assumed Protection 63 9.0 125 9.5 250 9.5 500 15.9 1000 26.0 2000 26.5 4000 33.1 8000 25.0 Standard Ear Defender H=28 M=19 L=13 SNR=23
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